Base | Representation |
---|---|
bin | 11100000011111101… |
… | …110111110110111111 |
3 | 2212202220101202201010 |
4 | 130003331313312333 |
5 | 443202104303203 |
6 | 21501522450303 |
7 | 2114453004465 |
oct | 340375676677 |
9 | 85686352633 |
10 | 30131322303 |
11 | 11862389465 |
12 | 5a0ab03993 |
13 | 2ac26546c4 |
14 | 165ba70835 |
15 | bb5419303 |
hex | 703f77dbf |
30131322303 has 4 divisors (see below), whose sum is σ = 40175096408. Its totient is φ = 20087548200.
The previous prime is 30131322269. The next prime is 30131322329. The reversal of 30131322303 is 30322313103.
It is a semiprime because it is the product of two primes.
It is not a de Polignac number, because 30131322303 - 210 = 30131321279 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 30131322303.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (30131322203) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5021887048 + ... + 5021887053.
It is an arithmetic number, because the mean of its divisors is an integer number (10043774102).
Almost surely, 230131322303 is an apocalyptic number.
30131322303 is a deficient number, since it is larger than the sum of its proper divisors (10043774105).
30131322303 is a wasteful number, since it uses less digits than its factorization.
30131322303 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 10043774104.
The product of its (nonzero) digits is 972, while the sum is 21.
Adding to 30131322303 its reverse (30322313103), we get a palindrome (60453635406).
The spelling of 30131322303 in words is "thirty billion, one hundred thirty-one million, three hundred twenty-two thousand, three hundred three".
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